Year	Percent
1995	8.437
1996	12.3
1997	19.52
1998	13.88
1999	6.926
2000	5.779
2001	5.57
2002	6.057
2003	6.736
2004	5.372
2005	3.05
2006	3.05
2007	2.549
2008	5.898
2009	5.898
2010	5.898